/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.inlong.sdk.sort.api;

import java.util.Set;
import org.apache.inlong.sdk.sort.entity.InLongTopic;

public interface InLongTopicChangeListener {

    /**
     * InLongTopic changed
     *
     * @param allInLongTopics Set
     * @param newInLongTopics Set
     * @param removedInLongTopics Set
     * @return true/false
     */
    boolean onAssignmentsChange(Set<InLongTopic> allInLongTopics,
            Set<InLongTopic> newInLongTopics,
            Set<InLongTopic> removedInLongTopics);

    /**
     * callbak sort to ack
     */
    boolean requestAck(String sortTaskId);

    /**
     * callback sort to get the msgKey's Offset
     *
     * @param msgKey String
     * @return String Offset
     */
    String offlineAndGetAckOffset(String msgKey);

}
